The State Street Target Retirement 2025 Fund Class K (ticker: SSBSX) is a mutual fund that is designed to help investors reach their retirement goals by the year 2025. This fund is managed by State Street Global Advisors and primarily invests in a mix of stocks and bonds, with a focus on lower-risk investments as the target retirement date approaches. The Class K shares of this fund are typically offered to institutional investors and have a lower expense ratio compared to other share classes. Overall, this fund offers a diversified and professionally managed option for investors looking to plan for their retirement in the near future.